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| Year | Trade Value | Weight (kg) | Quantity |
| 2005 | $1,369 | 589 | 589 |
| 2006 | $31,147 | 24,282 | 24,282 |
| 2007 | $25,609 | 19,656 | 19,656 |
| 2008 | $38,733 | 20,696 | 20,696 |
| 2009 | $36,890 | 23,130 | 23,130 |
| 2010 | $12,194 | 8,010 | 8,010 |
| 2011 | $20,260 | 12,992 | 12,992 |
Note: Quantity represents Weight in kilograms
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